Home / 5,146.22-7,102.15-2,908.31

Finding the Fourth Proportional to 5,146.22, 7,102.15 and 2,908.31

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Solution

The fourth proportional to 5,146.22, 7,102.15 and 2,908.31 is: 4,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.22 : 7,102.15 = 2,908.31 : x
  2. Step 2: Convert to fraction form
    5,146.22/7,102.15 = 2,908.31/x
  3. Step 3: Cross multiply
    5,146.22x = 7,102.15 × 2,908.31
  4. Step 4: Simplify right side
    5,146.22x = 20,655,211.08
  5. Step 5: Solve for x
    x = 20,655,211.08/5,146.22
  6. Step 6: Final answer
    x = 4,013.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.